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Legend of the Seas
Legend of the Seas is a Royal Caribbean cruise ship, the third Icon Class vessel, delivered in 2026 and the first in its class based in Europe.
Legend-class cutter
The Legend-class cutter, officially the National Security Cutter, is a 418-foot patrol ship of the United States Coast Guard, the largest class in its fleet.
Legends Tower
Legends Tower is a proposed 1,907-foot, 134-story skyscraper in Oklahoma City's Bricktown neighborhood that, if built, would be the tallest building in the United States and North America.
Legged Gym
Legged Gym is an open-source reinforcement learning framework from ETH Zurich's Robotic Systems Lab that trains quadruped and humanoid locomotion policies using NVIDIA's Isaac Gym.
Legged underwater robot
A legged underwater robot (ULR) is a benthic robot that walks on the seabed on legs, a bioinspired alternative to propeller-driven vehicles offering stability and low environmental disturbance.
Legging (canals)
Legging is a way of moving a boat through a canal tunnel without a towpath: a person lies on their back and pushes against the tunnel roof or walls with their legs.
Legibility (typography)
Legibility in typography is how easily individual letters and words can be recognized, distinct from readability, and is shaped by type size, typeface, spacing, and contrast.
Legibility of robot motion
Legibility of robot motion is the property of a robot's movement that lets a human observer quickly infer its intent, formalized by Anca Dragan and Siddhartha Srinivasa at Carnegie Mellon University.
Legionnaire hat
The legionnaire hat is a sun-protective cap with a front visor and a flap covering the ears and neck, standard for children in Australia and the UK.
Legislative chamber
A legislative chamber is the room where a parliament or legislature meets to debate and vote, with its seating shape seen as influencing the politics within.
Lego clone
A Lego clone is a construction-toy brick system made by a company other than the LEGO Group, dimensionally compatible with Lego elements and sold under its own brand name.
LEGO Duplo
LEGO Duplo is a preschool construction-toy line from the LEGO Group, launched in 1969, with large bricks that interlock with standard LEGO bricks and suit children from 18 months old.
LEGO Education
LEGO Education is the educational division of the LEGO Group, which develops hands-on learning products, programmable robotics sets, and lesson plans for preschool through grade 8.
LEGO Education SPIKE
LEGO Education SPIKE is a line of programmable robotics and STEAM learning sets from LEGO Education, with SPIKE Prime for middle school and SPIKE Essential for primary grades.
Lego Ideas
Lego Ideas is a LEGO Group crowdsourcing platform, begun as LEGO CUUSOO in 2008, where fan projects with 10,000 supporter votes may become official sets with 1% royalties.
Lego Mindstorms
Lego Mindstorms is a discontinued line of programmable robotics kits from the LEGO Group, launched in 1998 and spanning four hardware generations before being retired at the end of 2022.
Lego Smart Play
Lego Smart Play is an interactive play platform introduced by the LEGO Group in 2026, built around an electronic brick that reacts to tags with lights and sounds.
LEGO Space
LEGO Space is a recurring space-exploration play theme of the LEGO construction toy, launched as LEGOLAND Space in 1978 and continued through 2015 with a revival in 2024.
LEGO WeDo 2.0
LEGO WeDo 2.0 is an elementary science and robotics kit from LEGO Education, released in 2016, pairing LEGO bricks with a programmable Bluetooth hub and drag-and-drop app.
Legora
Legora, formerly Leya, is a Swedish AI company founded in Stockholm in 2023 that builds a collaborative AI platform for legal research, document review, and drafting.
Legrand
Legrand is a French manufacturer of electrical and digital building infrastructure, headquartered in Limoges and founded there in 1865, with 2025 sales of €9.48 billion and datacenters now 26% of sales.
LeGrand Van Uitert
LeGrand Van Uitert (1922, Salt Lake City – 1999) was an American chemist at AT&T Bell Laboratories whose crystal-growth work created the Nd:YAG solid-state laser, earning the 1993 R. W. Wood Prize.
Leh–Manali Highway
The Leh–Manali Highway, also known as the Leh Manali road, is a 427 km high-altitude road in northern India connecting Manali to Leh, its main route over Himalayan passes.
Lehigh Valley Railroad
The Lehigh Valley Railroad (LVRR) was an American Class I railroad chartered in the 1840s to haul anthracite coal from northeastern Pennsylvania to Jersey City and Buffalo.
Lei Geral de Proteção de Dados
The Lei Geral de Proteção de Dados (LGPD) is Brazil's comprehensive data protection law, regulating personal data processing, signed in 2018 and enforced by the ANPD.
Lei Jiang (江雷)
Lei Jiang (江雷) is a Chinese physical chemist at the Chinese Academy of Sciences who founded superwettability, designing bioinspired materials that control how liquids wet, spread, and move.
Lei Wei
Lei Wei (魏磊) is a Singapore-based engineer, professor at Nanyang Technological University, who makes hair-thin semiconductor fibers and weaves them into fabrics that sense, compute, and display.
Leibniz Supercomputing Centre
The Leibniz Supercomputing Centre (Leibniz-Rechenzentrum, LRZ) is the supercomputing facility for Munich's universities in Garching, Germany, founded in 1962 and home to the SuperMUC-NG supercomputer.
Leibstadt nuclear power plant
The Leibstadt Nuclear Power Plant (Kernkraftwerk Leibstadt, KKL) is Switzerland's youngest and most powerful nuclear plant, a boiling water reactor on the High Rhine operating since 1984.
Leichter Panzerspähwagen
The Leichter Panzerspähwagen, German for light armored reconnaissance vehicle, was a family of four-wheel-drive armored cars built for the German Wehrmacht from 1935 to 1944.